RedHat Enterprise Linux is an Enterprise Linux distribution provided by RedHat.
RedHat charges money for the binary distributions of RHEL, however in accordance with the GPL, they also offer the source code to the operating system.
Several projects have taken advantage of the source code to provide binary compatible distributions of RHEL, including the popular CentOS, WhiteBox Linux and others.
here is an easy guide to setting up CentOS 4.5. CentOS is binary compatible with RHEL.
Linux-distribution
Enterprise
RedHat
RHEL
commercial-support
Red Hat Linux is one of the first Linux distributions and has one of the largest market shares, particularly amongst US-based corporations.
Red Hat has since evolved into Fedora Core and Red Hat Enterprise Linux: the last release of Red Hat Linux was on March 31st, 2003.
SourceLabs provides a Self-Support Suite of Tools for RedHat Linux
RedHat
linux
Linux-distribution
SourceLabs
Fedora-Core
License:GPL
commercial-support
SuSE is a Linux Distribution that is now distributed by Novell.
SourceLabs provides a Self-Support Suite of tools for SUSE
linux
novell
Linux-distribution
SourceLabs
SuSE
support
commercial-support
self-support